If you visit Google today you will see a doodle commemorating Thomas Edison's 164th Birthday. I found this short bio of Edison and his invention factory from RadioElectronics.com a little more readable than Edison's Wikipedia entry.
It is interesting that the DC power distribution that Edison advocated is now making inroads in data centers to save energy. This IEEE Spectrum article, 'Direct Current Networks Gain Ground,' has the alternate title 'Edison Vindicated' in the print version of the magazine. Google utilizes DC power in its 'Manhatten Project' data center design revealing this big energy saving secret in 2009. It will be very interesting to see what affect a DC power network will have on embedded system designs It has the potential to make consumer electronic devices cheaper and easier to use, eliminating the need for manufacturers to provide, and for consumers to carry around, a wall wart or black brick power supply.
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